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annotate pytouhou/game/enemy.py @ 127:81e05aed8db5

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Fix bullets
author Thibaut Girka <thib@sitedethib.com>
date Sat, 10 Sep 2011 16:13:54 +0200
parents d1c82d43bbf3
children 11ab06f4c4c6
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
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4 ##
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5 ## This program is free software; you can redistribute it and/or modify
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6 ## it under the terms of the GNU General Public License as published
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7 ## by the Free Software Foundation; version 3 only.
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8 ##
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9 ## This program is distributed in the hope that it will be useful,
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ## GNU General Public License for more details.
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13 ##
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14
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15
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16 from itertools import chain
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17 from io import BytesIO
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18 import os
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19 from struct import unpack, pack
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20 from pytouhou.utils.interpolator import Interpolator
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21 from pytouhou.vm.eclrunner import ECLRunner
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22 from pytouhou.vm.anmrunner import ANMRunner
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23 from pytouhou.game.sprite import Sprite
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24 from pytouhou.game.bullet import Bullet
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25 from math import cos, sin, atan2, pi
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27
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28 class Enemy(object):
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29 def __init__(self, pos, life, _type, anm_wrapper, game_state):
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30 self._game_state = game_state
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31 self._anm_wrapper = anm_wrapper
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32 self._sprite = None
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33 self._anmrunner = None
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34 self._removed = False
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35 self._type = _type
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36 self._was_visible = False
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37
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38 self.frame = 0
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39
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40 self.x, self.y = pos
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41 self.life = life
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42 self.max_life = life
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43 self.touchable = True
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44 self.damageable = True
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45 self.death_flags = 0
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46 self.extended_bullet_attributes = (0, 0, 0, 0, 0., 0., 0., 0.)
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47 self.bullet_attributes = None
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48 self.bullet_launch_offset = (0, 0)
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49 self.death_callback = None
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50 self.boss_callback = None
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51 self.low_life_callback = None
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52 self.low_life_trigger = None
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53 self.timeout = None
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54 self.timeout_callback = None
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55 self.remaining_lives = -1
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56
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57 self.automatic_orientation = False
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58
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59 self.bullet_launch_interval = 0
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60 self.bullet_launch_timer = 0
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61 self.delay_attack = False
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62
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63 self.death_anim = None
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64 self.movement_dependant_sprites = None
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65 self.direction = None
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66 self.interpolator = None #TODO
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67 self.speed_interpolator = None
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68 self.angle = 0.
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69 self.speed = 0.
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70 self.rotation_speed = 0.
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71 self.acceleration = 0.
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72
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73 self.hitbox = (0, 0)
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74 self.screen_box = None
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75
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76
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77 def set_bullet_attributes(self, type_, anim, sprite_idx_offset,
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78 bullets_per_shot, number_of_shots, speed, speed2,
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79 launch_angle, angle, flags):
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80 self.bullet_attributes = (type_, anim, sprite_idx_offset, bullets_per_shot,
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81 number_of_shots, speed, speed2, launch_angle,
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82 angle, flags)
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83 if not self.delay_attack:
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84 self.fire()
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85
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86
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87 def fire(self):
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88 (type_, type_idx, sprite_idx_offset, bullets_per_shot, number_of_shots,
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89 speed, speed2, launch_angle, angle, flags) = self.bullet_attributes
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90
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91 bullet_type = self._game_state.bullet_types[type_idx]
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92
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93 ox, oy = self.bullet_launch_offset
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94 launch_pos = self.x + ox, self.y + oy
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95
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96 if speed2 < 0.3:
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97 speed2 = 0.3
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98
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99 self.bullet_launch_timer = 0
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100
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101 player = self.select_player()
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102
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103 if type_ in (67, 69, 71):
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104 launch_angle += self.get_player_angle(player)
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105 if type_ in (69, 70, 71):
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106 angle = 2. * pi / bullets_per_shot
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107 if type_ == 71:
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108 launch_angle += pi / bullets_per_shot
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109 if type_ != 75:
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110 launch_angle -= angle * (bullets_per_shot - 1) / 2.
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111
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112 bullets = self._game_state.bullets
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113
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114 for shot_nb in range(number_of_shots):
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115 shot_speed = speed if shot_nb == 0 else speed + (speed2 - speed) * float(shot_nb) / float(number_of_shots)
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116 bullet_angle = launch_angle
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117 for bullet_nb in range(bullets_per_shot):
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118 if type_ == 75: # 102.h@0x4138cf
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119 bullet_angle = self._game_state.prng.rand_double() * (launch_angle - angle) + angle
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120 shot_speed = self._game_state.prng.rand_double() * (speed - speed2) + speed2
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121 bullets.append(Bullet(launch_pos, bullet_type, sprite_idx_offset,
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122 bullet_angle, shot_speed,
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123 self.extended_bullet_attributes,
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124 flags, player, self._game_state))
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125 bullet_angle += angle
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126
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127
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128 def select_player(self, players=None):
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129 return (players or self._game_state.players)[0] #TODO
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130
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diff changeset
131
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132 def get_player_angle(self, player=None):
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133 player = player or self.select_player()
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diff changeset
134 return atan2(player.y - self.y, player.x - self.x)
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diff changeset
135
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diff changeset
136
49
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diff changeset
137 def set_anim(self, index):
69
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138 self._sprite = Sprite()
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139 self._anmrunner = ANMRunner(self._anm_wrapper, index, self._sprite)
105
572740acdb25 A few changes in the execution order to match 102h.exe
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diff changeset
140 self._anmrunner.run_frame()
23
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diff changeset
141
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diff changeset
142
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diff changeset
143 def set_pos(self, x, y, z):
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144 self.x, self.y = x, y
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145 self.interpolator = Interpolator((x, y))
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146 self.interpolator.set_interpolation_start(self._game_state.frame, (x, y))
23
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diff changeset
147
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diff changeset
148
62
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diff changeset
149 def move_to(self, duration, x, y, z, formula):
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150 if not self.interpolator:
100
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diff changeset
151 frame = self._game_state.frame
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diff changeset
152 self.interpolator = Interpolator((self.x, self.y), formula)
100
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diff changeset
153 self.interpolator.set_interpolation_start(frame, (self.x, self.y))
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diff changeset
154 self.interpolator.set_interpolation_end(frame + duration - 1, (x, y))
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diff changeset
155
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156 self.speed = 0.
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157 self.angle = atan2(y - self.y, x - self.x)
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diff changeset
158
75
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diff changeset
159
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diff changeset
160 def stop_in(self, duration, formula):
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diff changeset
161 if not self.speed_interpolator:
100
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diff changeset
162 frame = self._game_state.frame
75
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diff changeset
163 self.speed_interpolator = Interpolator((self.speed,), formula)
100
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diff changeset
164 self.speed_interpolator.set_interpolation_start(frame, (self.speed,))
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diff changeset
165 self.speed_interpolator.set_interpolation_end(frame + duration - 1, (0.,))
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diff changeset
166
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167 self.speed = 0.
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diff changeset
168
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diff changeset
169
23
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diff changeset
170 def is_visible(self, screen_width, screen_height):
73
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diff changeset
171 if self._sprite:
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diff changeset
172 tx, ty, tw, th = self._sprite.texcoords
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diff changeset
173 if self._sprite.corner_relative_placement:
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diff changeset
174 raise Exception #TODO
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diff changeset
175 else:
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diff changeset
176 tx, ty, tw, th = 0., 0., 0., 0.
29
afa91be769ae Don't lose time updating off-screen enemies' sprites
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parents: 23
diff changeset
177
123
d1c82d43bbf3 Various optimizations
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parents: 120
diff changeset
178 x, y = self.x, self.y
73
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diff changeset
179 max_x = tw / 2.
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diff changeset
180 max_y = th / 2.
29
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parents: 23
diff changeset
181
123
d1c82d43bbf3 Various optimizations
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parents: 120
diff changeset
182 if (max_x < x - screen_width
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parents: 120
diff changeset
183 or max_x < -x
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diff changeset
184 or max_y < y - screen_height
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diff changeset
185 or max_y < -y):
23
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186 return False
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diff changeset
187 return True
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diff changeset
188
18
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diff changeset
189
69
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diff changeset
190 def update(self):
21
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diff changeset
191 x, y = self.x, self.y
57
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diff changeset
192 if self.interpolator:
100
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diff changeset
193 self.interpolator.update(self._game_state.frame)
20
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diff changeset
194 x, y = self.interpolator.values
21
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diff changeset
195
18
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196 self.speed += self.acceleration #TODO: units? Execution order?
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197 self.angle += self.rotation_speed #TODO: units? Execution order?
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198
57
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diff changeset
199
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diff changeset
200 if self.speed_interpolator:
100
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diff changeset
201 self.speed_interpolator.update(self._game_state.frame)
57
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diff changeset
202 self.speed, = self.speed_interpolator.values
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diff changeset
203
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diff changeset
204
18
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diff changeset
205 dx, dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed
49
cbe1cb50f2fd Refactor ECLRunner/EnemyManager so that all VM stuff goes to ECLRunner
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parents: 48
diff changeset
206 if self._type & 2:
21
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parents: 20
diff changeset
207 x -= dx
18
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208 else:
21
bf225780973f Small refactoring, and Rumia \o/
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parents: 20
diff changeset
209 x += dx
bf225780973f Small refactoring, and Rumia \o/
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parents: 20
diff changeset
210 y += dy
bf225780973f Small refactoring, and Rumia \o/
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parents: 20
diff changeset
211
bf225780973f Small refactoring, and Rumia \o/
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parents: 20
diff changeset
212 if self.movement_dependant_sprites:
57
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parents: 56
diff changeset
213 #TODO: is that really how it works? Almost.
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diff changeset
214 # Sprite determination is done only once per changement, and is
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diff changeset
215 # superseeded by ins_97.
62
1f591adcea04 Fix animation determination (ins_98 stuff) and some interpolation functions
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parents: 57
diff changeset
216 end_left, end_right, left, right = self.movement_dependant_sprites
1f591adcea04 Fix animation determination (ins_98 stuff) and some interpolation functions
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diff changeset
217 if x < self.x and self.direction != -1:
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parents: 57
diff changeset
218 self.set_anim(left)
22
fa87db09fc3a Fix Rumia's animations
Thibaut Girka <thib@sitedethib.com>
parents: 21
diff changeset
219 self.direction = -1
62
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diff changeset
220 elif x > self.x and self.direction != +1:
1f591adcea04 Fix animation determination (ins_98 stuff) and some interpolation functions
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parents: 57
diff changeset
221 self.set_anim(right)
22
fa87db09fc3a Fix Rumia's animations
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parents: 21
diff changeset
222 self.direction = +1
62
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parents: 57
diff changeset
223 elif x == self.x and self.direction is not None:
1f591adcea04 Fix animation determination (ins_98 stuff) and some interpolation functions
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parents: 57
diff changeset
224 self.set_anim({-1: end_left, +1: end_right}[self.direction])
22
fa87db09fc3a Fix Rumia's animations
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parents: 21
diff changeset
225 self.direction = None
21
bf225780973f Small refactoring, and Rumia \o/
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parents: 20
diff changeset
226
50
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diff changeset
227
811cefefb5c8 Fix a few bugs and add support for a few instructions
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parents: 49
diff changeset
228 if self.screen_box:
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parents: 49
diff changeset
229 xmin, ymin, xmax, ymax = self.screen_box
811cefefb5c8 Fix a few bugs and add support for a few instructions
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parents: 49
diff changeset
230 x = max(xmin, min(x, xmax))
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parents: 49
diff changeset
231 y = max(ymin, min(y, ymax))
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diff changeset
232
811cefefb5c8 Fix a few bugs and add support for a few instructions
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parents: 49
diff changeset
233
21
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parents: 20
diff changeset
234 self.x, self.y = x, y
69
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diff changeset
235
a142e57218a0 Refactor. Move VMs to pytouhou.vm.
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diff changeset
236 #TODO
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diff changeset
237 if self._anmrunner and not self._anmrunner.run_frame():
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diff changeset
238 self._anmrunner = None
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diff changeset
239
49
cbe1cb50f2fd Refactor ECLRunner/EnemyManager so that all VM stuff goes to ECLRunner
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parents: 48
diff changeset
240 if self._sprite:
69
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parents: 68
diff changeset
241 if self._sprite._removed:
49
cbe1cb50f2fd Refactor ECLRunner/EnemyManager so that all VM stuff goes to ECLRunner
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parents: 48
diff changeset
242 self._sprite = None
69
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diff changeset
243 else:
120
4300a832f033 Small refactoring and massive performance improvement
Thibaut Girka <thib@sitedethib.com>
parents: 109
diff changeset
244 self._sprite.update_orientation(self.angle,
4300a832f033 Small refactoring and massive performance improvement
Thibaut Girka <thib@sitedethib.com>
parents: 109
diff changeset
245 self.automatic_orientation)
36
f46c18872796 Minor refactoring
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parents: 34
diff changeset
246
83
fc0294c745b6 Basic bullet handling! Clean up as soon as possible :p
Thibaut Girka <thib@sitedethib.com>
parents: 79
diff changeset
247
fc0294c745b6 Basic bullet handling! Clean up as soon as possible :p
Thibaut Girka <thib@sitedethib.com>
parents: 79
diff changeset
248 if self.bullet_launch_interval != 0:
fc0294c745b6 Basic bullet handling! Clean up as soon as possible :p
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parents: 79
diff changeset
249 self.bullet_launch_timer += 1
fc0294c745b6 Basic bullet handling! Clean up as soon as possible :p
Thibaut Girka <thib@sitedethib.com>
parents: 79
diff changeset
250 if self.bullet_launch_timer == self.bullet_launch_interval:
fc0294c745b6 Basic bullet handling! Clean up as soon as possible :p
Thibaut Girka <thib@sitedethib.com>
parents: 79
diff changeset
251 self.fire()
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parents: 79
diff changeset
252
18
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diff changeset
253 self.frame += 1
ca26a84916cb Add preliminary ECL viewer/interpreter.
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parents:
diff changeset
254